package com.zjs.service.impl;

import com.zjs.bean.Grade;
import com.zjs.dao.GradeDao;
import com.zjs.dao.impl.GradeDaoImpl;
import com.zjs.service.GradeService;

import java.util.List;

public class GradeServiceImpl implements GradeService {
    private GradeDao gradeDao =new GradeDaoImpl();
    @Override
    public List<Grade> list() {
        return gradeDao.list();
    }
}
